.ui-buttonset .ui-button {
margin-left: 0;
margin-right: -0.3em;
}
The last class applied get the prevalence, the margin right is there because in a buttonset, buttons are supposed to be glued together (see http://iksela.tumblr.com/post/2727627360/display-tabletools-buttons-as-jqueryui-buttons-with-an ). It looks like you're new here. If you want to get involved, click one of these buttons!
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